VIII
1 wasn't ( dấu hiệu : yesterday)
2 weren't (when)
3 left (this morning)
4 was (in 2001)
5 told (yesterday)
6 didn't have
7 didn't know
8 bought ( yesterday)
(Các từ trong ngoặc là dấu hiệu nhận biết)
XI
1 studied
2. stopped
3. tried
4. rescued
5. jumped
6. walked
7. closed
8. started
9. asked
10. laughed
Nocopy
@gladbach